155716568448 has 768 divisors, whose sum is σ = 534478694400. Its totient is φ = 39871512576.

The previous prime is 155716568443. The next prime is 155716568453. The reversal of 155716568448 is 844865617551.

It is an interprime number because it is at equal distance from previous prime (155716568443) and next prime (155716568453).

It is a junction number, because it is equal to n+sod(n) for n = 155716568391 and 155716568400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155716568443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 698280465 + ... + 698280687.

It is an arithmetic number, because the mean of its divisors is an integer number (695935800).

Almost surely, 2^155716568448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155716568448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267239347200).

155716568448 is an abundant number, since it is smaller than the sum of its proper divisors (378762125952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155716568448 is a wasteful number, since it uses less digits than its factorization.

155716568448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 348 counting only the distinct ones).

The product of its digits is 32256000, while the sum is 60.

The spelling of 155716568448 in words is "one hundred fifty-five billion, seven hundred sixteen million, five hundred sixty-eight thousand, four hundred forty-eight".